I’m looking for movies where people fall in love love each other throughout the entire movie stay in love get a happy ending all of that but things are just completely fucked outside of that.

I’m looking for two people that find love in like the worst of circumstances, and just win through the power of love. I mean, it can be anything from like alien invasion to end of the world to zombie to just in jail together but at no point do they waiver on each other even with the world being a complete wreck and mess and somehow there’s a happy ending.